Sole



FIG. 1 is a left side elevation of a sole;

FIG. 2 is a right side elevation thereof;

FIG. 3 is a bottom plan thereof;

FIG. 4 is a section taken in the plane of line 4-4 in FIG. 3;

FIG. 5 is a front elevation of sole; and,

FIG. 6 is a rear elevation thereof.

The broken lines in the drawing views depict unclaimed portions of the sole and environmental structure associated with the design in a condition of use. The broken lines, and portions and structure they depict, form no part of the claimed design. 

CLAIM The ornamental design for a sole, as shown and described. 